The Ruiz Brothers have published a new tutorial on the Adafruit website. This tutorial shows you how to create a handheld Raspberry Pi computer using a 3.5″ PiTFT screen, a mini wireless keyboard and a LIPO battery. It’s rather nifty and all the pieces go inside a 3D-printed case that is fully hinged. They do point out, however, that the 3.5″ screen is slower than the smaller screens available so it’s not much good on the video front. This is a shame as it would make a fantastic portable gaming console. Oh well, it’s a nice project anyway. Read more here.
trying to build a project around this handheld, can’t download stl to make case. get error message every time
There’s a Feedback/Corrections link on the left hand side of that page. I suggest sending them some.